/* Points to template once we've found it. */
const template *t;
- /* Count the size of the instruction generated. Does not include
- variable part of jump insns before relax. */
- int insn_size = 0;
-
int j;
char mnemonic[MAX_MNEM_SIZE];
{
register char *p;
+ /* Tie dwarf2 debug info to the address at the start of the insn.
+ We can't do this after the insn has been output as the current
+ frag may have been closed off. eg. by frag_var. */
+ dwarf2_emit_insn (0);
+
/* Output jumps. */
if (i.tm.opcode_modifier & Jump)
{
bytes for the opcode and room for the prefix and largest
displacement. */
frag_grow (prefix + 2 + 4);
- insn_size += prefix + 1;
/* Prefix and 1 opcode byte go in fr_fix. */
p = frag_more (prefix + 1);
if (i.prefix[DATA_PREFIX])
size = 1;
if (i.prefix[ADDR_PREFIX])
{
- insn_size += 1;
FRAG_APPEND_1_CHAR (ADDR_PREFIX_OPCODE);
i.prefixes -= 1;
}
if (i.prefix[DATA_PREFIX])
{
- insn_size += 1;
FRAG_APPEND_1_CHAR (DATA_PREFIX_OPCODE);
i.prefixes -= 1;
code16 ^= CODE16;
if (i.prefix[REX_PREFIX])
{
FRAG_APPEND_1_CHAR (i.prefix[REX_PREFIX]);
- insn_size++;
i.prefixes -= 1;
}
if (fits_in_unsigned_byte (i.tm.base_opcode))
{
- insn_size += 1 + size;
p = frag_more (1 + size);
}
else
{
/* Opcode can be at most two bytes. */
- insn_size += 2 + size;
p = frag_more (2 + size);
*p++ = (i.tm.base_opcode >> 8) & 0xff;
}
as_warn (_("skipping prefixes on this instruction"));
/* 1 opcode; 2 segment; offset */
- insn_size += prefix + 1 + 2 + size;
p = frag_more (prefix + 1 + 2 + size);
if (i.prefix[DATA_PREFIX])
{
if (*q)
{
- insn_size += 1;
p = frag_more (1);
md_number_to_chars (p, (valueT) *q, 1);
}
/* Now the opcode; be careful about word order here! */
if (fits_in_unsigned_byte (i.tm.base_opcode))
{
- insn_size += 1;
FRAG_APPEND_1_CHAR (i.tm.base_opcode);
}
else
{
- insn_size += 2;
p = frag_more (2);
/* Put out high byte first: can't use md_number_to_chars! */
*p++ = (i.tm.base_opcode >> 8) & 0xff;
/* Now the modrm byte and sib byte (if present). */
if (i.tm.opcode_modifier & Modrm)
{
- insn_size += 1;
p = frag_more (1);
md_number_to_chars (p,
(valueT) (i.rm.regmem << 0
&& i.rm.mode != 3
&& !(i.base_reg && (i.base_reg->reg_type & Reg16) != 0))
{
- insn_size += 1;
p = frag_more (1);
md_number_to_chars (p,
(valueT) (i.sib.base << 0
}
val = offset_in_range (i.op[n].disps->X_add_number,
size);
- insn_size += size;
p = frag_more (size);
md_number_to_chars (p, val, size);
}
size = 8;
}
- insn_size += size;
p = frag_more (size);
fix_new_exp (frag_now, p - frag_now->fr_literal, size,
i.op[n].disps, pcrel,
}
val = offset_in_range (i.op[n].imms->X_add_number,
size);
- insn_size += size;
p = frag_more (size);
md_number_to_chars (p, val, size);
}
size = 8;
}
- insn_size += size;
p = frag_more (size);
reloc_type = reloc (size, 0, sign, i.reloc[n]);
#ifdef BFD_ASSEMBLER
}
}
- dwarf2_emit_insn (insn_size);
-
#ifdef DEBUG386
if (flag_debug)
{
int relaxable = 0;
unsigned long insn;
unsigned long insn_size;
- unsigned long total_insn_size = 0;
char *f;
int i;
int match;
input_line_pointer = str;
+ /* Tie dwarf2 debug info to the address at the start of the insn.
+ We can't do this after the insn has been output as the current
+ frag may have been closed off. eg. by frag_var. */
+ dwarf2_emit_insn (0);
+
/* Write out the instruction. */
if (relaxable && fc > 0)
md_number_to_chars (f, insn, insn_size);
md_number_to_chars (f + 2, 0, 4);
}
- total_insn_size = insn_size;
}
else
{
insn_size = 2;
f = frag_more (insn_size);
- total_insn_size = insn_size;
-
md_number_to_chars (f, insn, insn_size);
if (extra_data_after_insn)
{
f = frag_more (extra_data_len);
- total_insn_size += extra_data_len;
-
md_number_to_chars (f, extra_data, extra_data_len);
extra_data_after_insn = false;
}
input_line_pointer = saved_input_line_pointer;
-
- dwarf2_emit_insn (total_insn_size);
}
/* If while processing a fixup, a reloc really needs to be created